<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>菜单</title>
</head>
<body>
<table border="1px" align="center" cellpadding="10px" cellspacing="0px">
    <tr>
        <th colspan="3">菜价单</th>
        <th rowspan="5">序号</th>
    </tr>
    <tr>
        <th>菜名</th>
        <th>菜价</th>
    </tr>
    <tr>
        <th>白菜</th>
        <th>3$</th>
    </tr>
    <tr>
        <th>青菜</th>
        <th>3$</th>
    </tr>
    <tr>
        <th>芹菜</th>
        <th>3$</th>
    </tr>
</table>
</body>
</html>